›to attract attention to something important or to emphasize it: highlight concerns/problems/risksThe study highlighted rural problems such as falling farm incomes and development pressures.highlight the fact that sthShe highlighted the fact that growing numbers of people are looking for their money to be invested in a more socially responsible way.highlight the need for sthIntimidation attacks by both sides yesterday highlighted the need for peace.
›to mark text on paper or a computer screen with a colour to emphasize it: Immediately after the meeting it's helpful to highlight important points in your notes.